There are total 18 hours or 1080 minutes from 7am to 1am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 8AM to 7AM | 12AM to 1AM | 5AM to 11AM |
| 2PM to 9PM | 7PM to 10PM | 6AM to 1AM |
| 12PM to 4AM | 7PM to 12PM | 12AM to 3AM |
| 12AM to 4AM | 4PM to 9AM | 3PM to 7PM |
| 7PM to 4PM | 12AM to 7AM | 12PM to 4AM |
| 7AM to 1PM | 7PM to 8PM | 4PM to 5AM |
